| Participant | Country | Team |
|---|---|---|
| Kārlis Lapšins | 🇱🇻 LAT | Orientēšanās klubs Alnis |
| Kārlis Mauriņš | 🇱🇻 LAT | Jelgavas Ledus sporta skola |
| Kaspars Bajārs | 🇱🇻 LAT | — |
| Kaspars Kalniņš Kalnmalis | 🇱🇻 LAT | — |
| Kaspars Knāviņš | 🇱🇻 LAT | — |
| Kaspars Kroics | 🇱🇻 LAT | — |
| Kaspars Kroičs | 🇱🇻 LAT | — |
| Kaspars Magaznieks | 🇱🇻 LAT | — |
| Kaspars Miksons | 🇱🇻 LAT | SIA Joker Ltd. |
| Kaspars Rubenis | 🇱🇻 LAT | — |
| Kaspars Sniegs | 🇱🇻 LAT | — |
| Kaspars Šņore | 🇱🇻 LAT | SK Mitauer |
| Kaspars Spricis | 🇱🇻 LAT | — |
| Kaspars Tauberis | 🇱🇻 LAT | Timber Trade Development |
| Kate Ūdre | 🇱🇻 LAT | Terēzes pīles |
| Katrīna Erne | 🇱🇻 LAT | — |
| Katrīna Markuss | 🇱🇻 LAT | Jelgavas BJSS |
| Katrīna Siliņa | 🇱🇻 LAT | Jelgavas Spīdolas Valsts ģimnāzija |
| Katrīna Truksne | 🇱🇻 LAT | — |
| Katrīne Auziņa | 🇱🇻 LAT | Jelgavas Spīdolas Valsts ģimnāzija |
| Katrīne Suta-Pranča | 🇱🇻 LAT | — |
| Keita Orlovska | 🇱🇻 LAT | Keita the best |
| Keitija Janevica | 🇱🇻 LAT | — |
| Kims Čerkašins | 🇱🇻 LAT | — |
| Kims Krauklis | 🇱🇻 LAT | Jelgavas Specializētā peldēšanas skola |
| Kitija Jemeļjanova | 🇱🇻 LAT | — |
| Kitija Sudakova | 🇱🇻 LAT | — |
| Knuts Bartuševics | 🇱🇻 LAT | Jelgavas Ledus sporta skola |
| Krišjānis Barvids | 🇱🇻 LAT | — |
| Krista Annija Eglāja | 🇱🇻 LAT | — |
| Krista Blažēvica | 🇱🇻 LAT | — |
| Kristaps Bakis | 🇱🇻 LAT | — |
| Kristaps Egle | 🇱🇻 LAT | — |
| Kristaps Karklis | 🇱🇻 LAT | — |
| Kristaps Radionovs | 🇱🇻 LAT | — |
| Kristaps Šperlings | 🇱🇻 LAT | — |
| Kristaps Stivrinieks | 🇱🇻 LAT | ReBalt.lv |
| Krista Tene | 🇱🇻 LAT | — |
| Krista Voina | 🇱🇻 LAT | — |
| Kristers Blumbergs | 🇱🇻 LAT | Jelgavas Tehnoloģiju vidusskola |
| Kristiāna Žemaite | 🇱🇻 LAT | — |
| Kristians Kārlis Ceļmillers | 🇱🇻 LAT | Regbija klubs Mītava |
| Kristina Markevica | 🇱🇻 LAT | Daugavpils Runners |
| Kristīne Lakstīgala | 🇱🇻 LAT | — |
| Kristīne Volkova | 🇱🇻 LAT | — |
| Krists Bartuševics | 🇱🇻 LAT | Jelgavas Ledus sporta skola |
| Krists Korotkijs | 🇱🇻 LAT | — |
| Ksenija Rosoha | 🇱🇻 LAT | — |
| Lāsma Ļaudobele | 🇱🇻 LAT | Born2win |
| Lauma Muceniece | 🇱🇻 LAT | — |
